Process Engineer 1

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

To support our extraordinary teams that build great products and contribute to our growth, we are looking to add a Process Engineer located in Guadalajara, North Campus.

Reporting to the Process Engineering Manager, the Process Engineer role will be responsible for developing, optimizing, and controlling electronic manufacturing processes (SMT, PTH, Integration), ensuring process stability, product quality, and operational efficiency.

• Develop, validate, and maintain SMT, PTH, and Integration processes.
• Provide advanced technical support to production for process failure resolution.
• Analyze process and quality data (SPC, failure trends, Pareto).
• Lead improvement projects focused on Yield, Defects, and Scrap.
• Implement and update PFMEA, Control Plans, and Work Instructions.
• Actively participate in NPI, manufacturing transfers, and production ramp-up.
• Coordinate pilot runs, basic DOE, and process validations.
• Optimize reflow profiles and wave/selective soldering processes.
• Work with suppliers on materials, stencils, pallets, and fixtures.
• Ensure compliance with ESD, IPC, and Safety standards.
• Constant interaction with Production, Quality, and Suppliers for problem resolution and process improvement.

• Engineering degree or Bachelor's degree completed.
• Experience in electronic process engineering.
• Experience in high-volume and/or high-mix SMT, PTH, and Integration lines.
• Analysis and diagnosis of electronic defects, including SMT soldering defects.
• Participation in NPI launches and manufacturing transfers.
• Knowledge and application of PFMEA, Control Plan, and SPC.
• Experience in Lean Manufacturing and continuous improvement tools.
• Knowledge of materials and processes: solder paste, flux, and stencil.
• Constant interaction with Production, Quality, and Suppliers for problem resolution and process improvement.
• Intermediate technical English.

• Competitive salary.
• Medical and life insurance.
• Christmas bonus.
• Food vouchers.
• Savings fund.